SURFACE EVALUATION SYSTEM USING VOLTAGE SENSITIVE CHROMOPHORE
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United States of America Patent
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Feb 1, 2018
app pub date -
Jul 28, 2016
filing date -
Jul 28, 2016
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Abstract
A surface evaluation system is described for evaluating a surface. A chromophore application system is used for applying a monolayer of a voltage sensitive chromophore to the surface, wherein the applied voltage sensitive chromophore is covalently bound to the surface and has a fluorescence emission spectrum which varies in accordance with a characteristic of the surface. An irradiation source irradiates the monolayer of the covalently bound voltage sensitive chromophore with actinic radiation. A fluorescence sensing system measures a fluorescence emission spectrum from the irradiated monolayer of the covalently bound voltage sensitive chromophore, and an analysis system analyzes the measured fluorescence emission spectrum to evaluate the characteristic of the surface.
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